126758574379 has 2 divisors, whose sum is σ = 126758574380. Its totient is φ = 126758574378.

The previous prime is 126758574377. The next prime is 126758574403. The reversal of 126758574379 is 973475857621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126758574379 - 2¹ = 126758574377 is a prime.

Together with 126758574377, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 126758574379.

It is not a weakly prime, because it can be changed into another prime (126758574377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63379287189 + 63379287190.

It is an arithmetic number, because the mean of its divisors is an integer number (63379287190).

Almost surely, 2^126758574379 is an apocalyptic number.

126758574379 is a deficient number, since it is larger than the sum of its proper divisors (1).

126758574379 is an equidigital number, since it uses as much as digits as its factorization.

126758574379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88905600, while the sum is 64.

The spelling of 126758574379 in words is "one hundred twenty-six billion, seven hundred fifty-eight million, five hundred seventy-four thousand, three hundred seventy-nine".